Soil structure is one of morphology (appearance) of land that can be observed directly. Soil morphology is a description of the soil body showing the appearance-appearance, characteristics and common properties in a soil profile. The characteristics of soil morphology is indicative of a process – a process that never experienced a kind of land during weathering, the formation and development. ...
Read More »Definisi Penggaraman
Penggaraman merupakan suatu metode yang dilakukan untuk mengawetkan produk hasil perikanan dengan menggunakan garam (NaCl). Pada proses penggaraman, pengawetan dilakukan dengan cara mengurangi kadar air dalam tubuh ikan dan dalam tubuh bakteri sehingga bakteri tidak dapat hidup dan berkembang lagi. Istilah penggaraman juga sering disebut pengasinan. Teknologi penggaraman biasanya tidak digunakan sebagai metode pengawetan tunggal, tetapi masih dilanjutkan dengan proses ...
Read More »Penyakit Virus Pada Udang
1) Penyakit virus IHHNV(Infectious Hypodermal and Hematopoitic Necrosis Virus), dapat menyebabkan : a) Pertumbuhan terhambat, sehingga terjadi perbedaan ukuran yang nyata dalam satu populasi. b) Serangan dapat mencapai lebih 30% populasi. c) Multi infeksi dengan virus jenis lain. Banyak terjadi pada tambak yang menggunakan benur non SPF (Spesific Pathogen Free) yaitu induk lokal. Inang penyakit virus ini antara lain : ...
Read More »Flow Velocity and Debit Water
The movement of water or water flow required for the availability of food for microorganisms and oxygen. In addition to avoiding the reef of the deposition process. The presence of water slurry caused by the movement of water will produce oxygen in these waters. In general, when a body of water has a fairly swift current, then the level of ...
Read More »Measuring Phosphate Content In Water
Phosphate present in natural water or wastewater as compound orthophosphate, polyphosphate and organic phosphate. Each phosphate compound is present in dissolved form, suspended or bound in the cells of organisms in the water. orthophosphate is an inorganic phosphate, is one form of phosphorus (P) dissolved in water. Orthophospate is benttuk phosphor that can be directly utilized by plant organisms (phytoplankton ...
Read More »Frozen Fish Processing
Freezing means changing the liquid content found in most of the fish’s body to ice. Fish will begin to freeze at temperatures between -0.6 ° C to -2 ° C, or average at -1 ° C which initially freezes is free water, followed by bound water, . Freezing starts from the outside, the center of the last freeze. Freezing requires ...
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